import axios from 'axios'
import {MessageBox, Message} from 'element-ui'
import store from '@/store'
import {getToken} from '@/utils/auth'
import qs from 'qs'
import router from '../router'

// create an axios instance
const service = axios.create({
  baseURL: process.env.VUE_APP_BASE_API, // url = base url + request url
  // withCredentials: true, // send cookies when cross-domain requests
  timeout: 5000 // request timeout
})

service.interceptors.request.use(config => {
  if ((config.method || 'get').toLowerCase() === 'post') {
    const contentType = config.headers['Content-type']
    if (contentType == null || contentType === '') {
      config.data = qs.stringify(Object.assign({}, config.params, config.data))
      config.headers['Content-type'] = 'application/x-www-form-urlencoded;charset=utf-8'
    }
  }
  return config
}, error => {
  return Promise.reject(error)
})

// request interceptor
service.interceptors.request.use(
  config => {
    // do something before request is sent

    if (store.getters.token) {
      // let each request carry token
      // ['X-Token'] is a custom headers key
      // please modify it according to the actual situation
      config.headers['X-Token'] = getToken()
    }
    return config
  },
  error => {
    // do something with request error
    console.log(error) // for debug
    return Promise.reject(error)
  }
)

// // response interceptor
// service.interceptors.response.use(
//   /**
//    * If you want to get http information such as headers or status
//    * Please return  response => response
//    */
//
//   /**
//    * Determine the request status by custom code
//    * Here is just an example
//    * You can also judge the status by HTTP Status Code
//    */
//   response => {
//     const res = response.data
//
//     // if the custom code is not 20000, it is judged as an error.
//     if (res.code !== 20000) {
//       Message({
//         message: res.message || 'Error',
//         type: 'error',
//         duration: 5 * 1000
//       })
//
//       // 50008: Illegal token; 50012: Other clients logged in; 50014: Token expired;
//       if (res.code === 50008 || res.code === 50012 || res.code === 50014) {
//         // to re-login
//         MessageBox.confirm('You have been logged out, you can cancel to stay on this page, or log in again', 'Confirm logout', {
//           confirmButtonText: 'Re-Login',
//           cancelButtonText: 'Cancel',
//           type: 'warning'
//         }).then(() => {
//           store.dispatch('user/resetToken').then(() => {
//             location.reload()
//           })
//         })
//       }
//       return Promise.reject(new Error(res.message || 'Error'))
//     } else {
//       return res
//     }
//   },
//   error => {
//     console.log('err' + error) // for debug
//     Message({
//       message: error.message,
//       type: 'error',
//       duration: 5 * 1000
//     })
//     return Promise.reject(error)
//   }
// )

service.interceptors.response.use(response => {
    if (response.status === 200) {
      const res = response.data || {}
      if (res.code === 0) {
        return {...res, success: true}
      } else {
        return {
          ...res,
          success: false
        }
      }
    } else {
      return {
        code: 10000,
        message: '网络错误',
        success: false
      }
    }
  },
  error => {
    console.error(error)
    return Promise.resolve({
      code: 10000,
      message: '网络错误：' + error.message
    })
  }
)

service.interceptors.response.use(resp => {
  if(resp.code === 10001) {
    store.dispatch("user/resetToken");
    location.reload()
  }
  return resp;
})

export default service
